Here is mine:
Pre-boil batch volume:
Varies.
boil off/hr:
1.75-2.00 Gallons/Hour
fan speed/type
6 Inch ValuLine Centrifugal Inline Fan (435 CFM). Link.
duct length, diameter, and bends:
Approx. 25 ft, 6" diameter with 2 90 degree bends.
hood distance from kettle:
Approx. 2.5...